arm/mach-omap2/omap_hwmod.c

143 #include <linux/platform_data/ti-sysc.h>
145 #include <dt-bindings/bus/ti-sysc.h>
272 	if (!oh->class->sysc) {
279 	oh->_sysc_cache = omap_hwmod_read(oh, oh->class->sysc->sysc_offs);
281 	if (!(oh->class->sysc->sysc_flags & SYSC_NO_CACHE))
297 	if (!oh->class->sysc) {
316 	omap_hwmod_write(v, oh, oh->class->sysc->sysc_offs);
338 	if (!oh->class->sysc ||
339 	    !(oh->class->sysc->sysc_flags & SYSC_HAS_MIDLEMODE))
342 	if (!oh->class->sysc->sysc_fields) {
347 	mstandby_shift = oh->class->sysc->sysc_fields->midle_shift;
371 	if (!oh->class->sysc ||
372 	    !(oh->class->sysc->sysc_flags & SYSC_HAS_SIDLEMODE))
375 	if (!oh->class->sysc->sysc_fields) {
380 	sidle_shift = oh->class->sysc->sysc_fields->sidle_shift;
405 	if (!oh->class->sysc ||
406 	    !(oh->class->sysc->sysc_flags & SYSC_HAS_CLOCKACTIVITY))
409 	if (!oh->class->sysc->sysc_fields) {
414 	clkact_shift = oh->class->sysc->sysc_fields->clkact_shift;
435 	if (!oh->class->sysc ||
436 	    !(oh->class->sysc->sysc_flags & SYSC_HAS_SOFTRESET))
439 	if (!oh->class->sysc->sysc_fields) {
444 	softrst_mask = (0x1 << oh->class->sysc->sysc_fields->srst_shift);
463 	if (!oh->class->sysc ||
464 	    !(oh->class->sysc->sysc_flags & SYSC_HAS_SOFTRESET))
467 	if (!oh->class->sysc->sysc_fields) {
474 	softrst_mask = (0x1 << oh->class->sysc->sysc_fields->srst_shift);
493 	struct omap_hwmod_class_sysconfig *sysc;
497 	sysc = oh->class->sysc;
499 	if (sysc->sysc_flags & SYSS_HAS_RESET_STATUS && sysc->syss_offs > 0)
500 		omap_test_timeout((omap_hwmod_read(oh, sysc->syss_offs)
503 	else if (sysc->sysc_flags & SYSC_HAS_RESET_STATUS) {
504 		softrst_mask = (0x1 << sysc->sysc_fields->srst_shift);
505 		omap_test_timeout(!(omap_hwmod_read(oh, sysc->sysc_offs)
530 	if (!oh->class->sysc ||
531 	    !(oh->class->sysc->sysc_flags & SYSC_HAS_DMADISABLE))
534 	if (!oh->class->sysc->sysc_fields) {
549 		(0x1 << oh->class->sysc->sysc_fields->dmadisable_shift);
575 	if (!oh->class->sysc ||
576 	    !(oh->class->sysc->sysc_flags & SYSC_HAS_AUTOIDLE))
579 	if (!oh->class->sysc->sysc_fields) {
584 	autoidle_shift = oh->class->sysc->sysc_fields->autoidle_shift;
602 	if (!oh->class->sysc ||
603 	    !((oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP) ||
604 	      (oh->class->sysc->idlemodes & SIDLE_SMART_WKUP) ||
605 	      (oh->class->sysc->idlemodes & MSTANDBY_SMART_WKUP)))
608 	if (!oh->class->sysc->sysc_fields) {
613 	if (oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP)
614 		*v |= 0x1 << oh->class->sysc->sysc_fields->enwkup_shift;
616 	if (oh->class->sysc->idlemodes & SIDLE_SMART_WKUP)
618 	if (oh->class->sysc->idlemodes & MSTANDBY_SMART_WKUP)
1178 	if (!oh->class->sysc)
1194 	sf = oh->class->sysc->sysc_flags;
1204 			if (oh->class->sysc->idlemodes & SIDLE_SMART_WKUP)
1215 		if (clkdm_act && !(oh->class->sysc->idlemodes &
1230 			if (oh->class->sysc->idlemodes & MSTANDBY_SMART_WKUP)
1275 	if (!oh->class->sysc)
1279 	sf = oh->class->sysc->sysc_flags;
1287 			if (oh->class->sysc->idlemodes & SIDLE_SMART_WKUP)
1302 			if (oh->class->sysc->idlemodes & MSTANDBY_SMART_WKUP)
1327 	if (!oh->class->sysc)
1331 	sf = oh->class->sysc->sysc_flags;
1698 	if (!oh->class->sysc ||
1699 	    !(oh->class->sysc->sysc_flags & SYSC_HAS_SOFTRESET))
1722 	if (oh->class->sysc->srst_udelay)
1723 		udelay(oh->class->sysc->srst_udelay);
1813 	if (oh->class->sysc) {
1935 		if (oh->class->sysc) {
1980 	if (oh->class->sysc)
2052 	if (oh->class->sysc) {
2159  * for rev, sysc and syss registers.
2201 		if (!strncmp("ti,sysc-", name, 8))
2252 	/* if we don't need sysc access we don't need to ioremap */
2253 	if (!oh->class->sysc)
2256 	/* we can't continue without MPU PORT if we need sysc access */
3084  * omap_hwmod_check_sysc - check sysc against platform sysc
3087  * @sysc_fields: new sysc configuration
3125  * @sysc_fields: new sysc configuration
3166 		if (!oh->class->sysc->sysc_fields)
3182  * @sysc_offs: sysc register offset
3221 		/* See SYSC_OMAP2_* in include/dt-bindings/bus/ti-sysc.h */
3235 		/* See SYSC_OMAP4_* in include/dt-bindings/bus/ti-sysc.h */
3245 		/* See SYSC_OMAP3_SR_* in include/dt-bindings/bus/ti-sysc.h */
3318  * @sysc_fields: sysc register bits
3322  * @sysc_flags: sysc specific flags
3323  * @idlemodes: sysc supported idlemodes
3333 	if (!oh->class->sysc)
3336 	if (oh->class->sysc->sysc_fields &&
3337 	    sysc_fields != oh->class->sysc->sysc_fields)
3340 	if (rev_offs != oh->class->sysc->rev_offs)
3342 			 oh->class->sysc->rev_offs);
3343 	if (sysc_offs != oh->class->sysc->sysc_offs)
3345 			 oh->class->sysc->sysc_offs);
3346 	if (syss_offs != oh->class->sysc->syss_offs)
3348 			 oh->class->sysc->syss_offs);
3350 	if (sysc_flags != oh->class->sysc->sysc_flags)
3352 			 oh->class->sysc->sysc_flags);
3354 	if (idlemodes != oh->class->sysc->idlemodes)
3356 			 oh->class->sysc->idlemodes);
3358 	if (data->cfg->srst_udelay != oh->class->sysc->srst_udelay)
3361 			 oh->class->sysc->srst_udelay);
3371  * @sysc_fields: sysc register bits
3376  * @sysc_flags: sysc specific flags
3377  * @idlemodes: sysc supported idlemodes
3379  * Note that the allocations here cannot use devm as ti-sysc can rebind.
3389 	struct omap_hwmod_class_sysconfig *sysc;
3395 	sysc = kzalloc(sizeof(*sysc), GFP_KERNEL);
3396 	if (!sysc)
3399 	sysc->sysc_fields = sysc_fields;
3400 	sysc->rev_offs = rev_offs;
3401 	sysc->sysc_offs = sysc_offs;
3402 	sysc->syss_offs = syss_offs;
3403 	sysc->sysc_flags = sysc_flags;
3404 	sysc->idlemodes = idlemodes;
3405 	sysc->srst_udelay = data->cfg->srst_udelay;
3443 	oh->class->sysc = sysc;
3460 	kfree(sysc);